44 void AliasSet::mergeSetIn(AliasSet &AS, AliasSetTracker &AST) {  in mergeSetIn()  argument
45   assert(!AS.Forward && "Alias set is already forwarding!");  in mergeSetIn()
50   Access |= AS.Access;  in mergeSetIn()
51   Alias  |= AS.Alias;  in mergeSetIn()
59     PointerRec *R = AS.getSomePointer();  in mergeSetIn()
71     if (AS.Alias == SetMustAlias)  in mergeSetIn()
72       AST.TotalMayAliasSetSize += AS.size();  in mergeSetIn()
75   bool ASHadUnknownInsts = !AS.UnknownInsts.empty();  in mergeSetIn()
78       std::swap(UnknownInsts, AS.UnknownInsts);  in mergeSetIn()
82     llvm::append_range(UnknownInsts, AS.UnknownInsts);  in mergeSetIn()
83     AS.UnknownInsts.clear();  in mergeSetIn()
86   AS.Forward = this; // Forward across AS now...  in mergeSetIn()
90   if (AS.PtrList) {  in mergeSetIn()
91     SetSize += AS.size();  in mergeSetIn()
92     AS.SetSize = 0;  in mergeSetIn()
93     *PtrListEnd = AS.PtrList;  in mergeSetIn()
94     AS.PtrList->setPrevInList(PtrListEnd);  in mergeSetIn()
95     PtrListEnd = AS.PtrListEnd;  in mergeSetIn()
97     AS.PtrList = nullptr;  in mergeSetIn()
98     AS.PtrListEnd = &AS.PtrList;  in mergeSetIn()
99     assert(*AS.PtrListEnd == nullptr && "End of list is not null?");  in mergeSetIn()
102     AS.dropRef(AST);  in mergeSetIn()
105 void AliasSetTracker::removeAliasSet(AliasSet *AS) {  in removeAliasSet()  argument
106   if (AliasSet *Fwd = AS->Forward) {  in removeAliasSet()
108     AS->Forward = nullptr;  in removeAliasSet()
110       if (AS->Alias == AliasSet::SetMayAlias)  in removeAliasSet()
111         TotalMayAliasSetSize -= AS->size();  in removeAliasSet()
113   AliasSets.erase(AS);  in removeAliasSet()
116   if (AS == AliasAnyAS) {  in removeAliasSet()
278   for (AliasSet &AS : llvm::make_early_inc_range(*this)) {  in mergeAliasSetsForPointer()
279     if (AS.Forward)  in mergeAliasSetsForPointer()
282     AliasResult AR = AS.aliasesPointer(Ptr, Size, AAInfo, AA);  in mergeAliasSetsForPointer()
291       FoundSet = &AS;  in mergeAliasSetsForPointer()
294       FoundSet->mergeSetIn(AS, *this);  in mergeAliasSetsForPointer()
303   for (AliasSet &AS : llvm::make_early_inc_range(*this)) {  in findAliasSetForUnknownInst()
304     if (AS.Forward || !AS.aliasesUnknownInst(Inst, AA))  in findAliasSetForUnknownInst()
308       FoundSet = &AS;  in findAliasSetForUnknownInst()
311       FoundSet->mergeSetIn(AS, *this);  in findAliasSetForUnknownInst()
355   if (AliasSet *AS =  in getAliasSetFor()  local
358     AS->addPointer(*this, Entry, Size, AAInfo, MustAliasAll);  in getAliasSetFor()
359     return *AS;  in getAliasSetFor()
419   if (AliasSet *AS = findAliasSetForUnknownInst(Inst)) {  in addUnknown()  local
420     AS->addUnknownInst(Inst, AA);  in addUnknown()
494   for (const AliasSet &AS : AST) {  in add()  local
495     if (AS.Forward)  in add()
499     for (unsigned i = 0, e = AS.UnknownInsts.size(); i != e; ++i)  in add()
500       if (auto *Inst = AS.getUnknownInst(i))  in add()
504     for (AliasSet::iterator ASI = AS.begin(), E = AS.end(); ASI != E; ++ASI)  in add()
507           (AliasSet::AccessLattice)AS.Access);  in add()
523   AliasSet *AS = PtrValEnt->getAliasSet(*this);  in deleteValue()  local
528   if (AS->Alias == AliasSet::SetMayAlias) {  in deleteValue()
529     AS->SetSize--;  in deleteValue()
534   AS->dropRef(*this);  in deleteValue()
557   AliasSet *AS = I->second->getAliasSet(*this);  in copyValue()  local
558   AS->addPointer(*this, Entry, I->second->getSize(), I->second->getAAInfo(),  in copyValue()
571   for (AliasSet &AS : *this)  in mergeAllAliasSets()
572     ASVector.push_back(&AS);  in mergeAllAliasSets()
601   AliasSet &AS = getAliasSetFor(Loc);  in addPointer()  local
602   AS.Access |= E;  in addPointer()
610   return AS;  in addPointer()
663   for (const AliasSet &AS : *this)  in print()
664     AS.print(OS);  in print()